FROM ubuntu:20.04
# 安裝 cron
RUN apt-get update && apt-get install -y cron

# 添加定時(shí)任務(wù)腳本
COPY script.sh /script.sh
RUN chmod +x /script.sh

# 添加 crontab 文件
COPY crontab /etc/cron.d/simple-cron

# 賦予 crontab 文件執(zhí)行權(quán)限
RUN chmod 0644 /etc/cron.d/simple-cron

# 應(yīng)用 crontab 文件更新
RUN crontab /etc/cron.d/simple-cron

# 創(chuàng)建日志文件
RUN touch /var/log/cron.log

# 設(shè)置容器啟動(dòng)命令
CMD cron && tail -f /var/log/cron.log

version: '3'
services:
  cronjob:
    image: your-image
    volumes:
      - ./script.sh:/script.sh
      - ./crontab:/etc/cron.d/simple-cron
    command: ["cron", "-f"]

# 每分鐘執(zhí)行一次 script.sh
* * * * * root /script.sh >> /var/log/cron.log 2>&1

#!/bin/bash
# 打印當(dāng)前時(shí)間到日志文件
date >> /var/log/cron.log

FROM ubuntu:20.04
RUN apt-get update && apt-get install -y tzdata
ENV TZ=Asia/Shanghai
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone

version: '3'
services:
  cronjob:
    image: your-image
    volumes:
      - ./script.sh:/script.sh
      - ./crontab:/etc/cron.d/simple-cron
      - ./cron-logs:/var/log
    command: ["cron", "-f"]

version: '3'
services:
  cronjob:
    image: your-image
    secrets:
      - cron-secret
    command: ["cron", "-f"]
secrets:
  cron-secret:
    file: ./cron-secret.txt

# 讀取 Docker Secret
#!/bin/bash
SECRET=$(cat /run/secrets/cron-secret)
echo "Secret: $SECRET" >> /var/log/cron.log

FROM ubuntu:20.04
RUN apt-get update && apt-get install -y cron

# 設(shè)置環(huán)境變量
ENV SCRIPT_PATH=/script.sh

# 添加定時(shí)任務(wù)腳本
COPY script.sh /script.sh
RUN chmod +x /script.sh

# 添加 crontab 文件
COPY crontab /etc/cron.d/simple-cron

# 應(yīng)用 crontab 文件更新
RUN crontab /etc/cron.d/simple-cron

# 創(chuàng)建日志文件
RUN touch /var/log/cron.log

CMD cron && tail -f /var/log/cron.log

# 使用環(huán)境變量
* * * * * root $SCRIPT_PATH >> /var/log/cron.log 2>&1

# 手動(dòng)執(zhí)行容器內(nèi)的定時(shí)任務(wù)
docker exec -it container_name /script.sh

# 查看容器的日志
docker logs container_name

version: '3'
services:
  cronjob:
    image: your-image
    volumes:
      - ./script.sh:/script.sh
      - ./crontab:/etc/cron.d/simple-cron
    command: ["cron", "-f"]
    environment:
      - SCRIPT_PATH=/script.sh

version: '3'
services:
  cronjob:
    image: your-image
    volumes:
      - /etc/localtime:/etc/localtime:ro
      - /etc/timezone:/etc/timezone:ro
    command: ["cron", "-f"]

apiVersion: batch/v1
kind: CronJob
metadata:
  name: cronjob-example
spec:
  schedule: "*/1 * * * *"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: cronjob-container
            image: your-image
            args:
            - /script.sh
            volumeMounts:
            - name: script-volume
              mountPath: /script.sh
          volumes:
          - name: script-volume
            configMap:
              name: script-config
          restartPolicy: OnFailure

apiVersion: v1
kind: ConfigMap
metadata:
  name: script-config
data:
  script.sh: |
    #!/bin/bash
    date >> /var/log/cron.log

# 監(jiān)控容器事件
docker events --filter 'event=start' --filter 'event=stop'

# 查看容器資源使用情況
docker stats

# 發(fā)送郵件報(bào)警
MAILTO=admin@example.com
* * * * * root /script.sh >> /var/log/cron.log 2>&1

# 查看容器內(nèi)的 cron 任務(wù)
docker exec container_name crontab -l

# 編輯容器內(nèi)的 cron 任務(wù)
docker exec -it container_name crontab -e

# 刪除容器內(nèi)的 cron 任務(wù)
docker exec -it container_name crontab -r

#!/bin/bash
# 錯(cuò)誤處理
set -e
date >> /var/log/cron.log
echo "Task completed" >> /var/log/cron.log

# 重啟容器
docker restart container_name

# 重啟容器
docker-compose restart service_name

# 停止容器
docker stop container_name

# 停止容器
docker-compose stop service_name

# 刪除容器
docker rm container_name

# 刪除容器
docker-compose rm service_name

# 構(gòu)建鏡像
docker build -t your-image .

# 構(gòu)建鏡像
docker-compose build

# 運(yùn)行容器
docker run -d --name container_name your-image

# 運(yùn)行容器
docker-compose up -d

# 查看容器狀態(tài)
docker ps -a

# 查看容器狀態(tài)
docker-compose ps

# 進(jìn)入容器
docker exec -it container_name /bin/bash

# 進(jìn)入容器
docker-compose exec service_name /bin/bash

# 查看容器日志
docker logs container_name

# 查看容器日志
docker-compose logs service_name